title: Major histocompatibility antigens are not expressed on human epididymal sperm.
mesh_terms: D000911:Antibodies, Monoclonal / Q000032:analysis; D004822:Epididymis / Q000276:immunology*; D005455:Fluorescent Antibody Technique; D006680:HLA Antigens / Q000032:analysis* / Q000145:classification; D006801:Humans; D007143:Immunoglobulin Heavy Chains / Q000032:analysis; D008297:Male; D011863:Radioimmunoassay; D013094:Spermatozoa / Q000276:immunology*
chemical_list: D000911:Antibodies, Monoclonal; D006680:HLA Antigens; D007143:Immunoglobulin Heavy Chains